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Finding the Fourth Proportional to 173,256.99, 259,418.22 and 113,136.54

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Solution

The fourth proportional to 173,256.99, 259,418.22 and 113,136.54 is: 169,399.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,256.99 : 259,418.22 = 113,136.54 : x
  2. Step 2: Convert to fraction form
    173,256.99/259,418.22 = 113,136.54/x
  3. Step 3: Cross multiply
    173,256.99x = 259,418.22 × 113,136.54
  4. Step 4: Simplify right side
    173,256.99x = 29,349,679,823.76
  5. Step 5: Solve for x
    x = 29,349,679,823.76/173,256.99
  6. Step 6: Final answer
    x = 169,399.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.